Guest virtual machines in an Oracle VM Server for SPARC-based server pool must run at:
Oracle Solaris 10 11/06 as a minimum.
Oracle Solaris 10 1/13 or later as a recommended guest OS.
See Creating and Starting a Guest Domain in the Oracle VM Server for SPARC 3.3 Administration Guide:
http://docs.oracle.com/cd/E62357_01/html/E62358/creatingandstartingguestdomain.html
For detailed information about supported firmware and operating systems, see System Firmware Versions and Oracle Solaris OS Versions:
http://docs.oracle.com/cd/E62357_01/html/E62360/ldomsrequiredsoftwarepatches.html
For information about specific patches and additional information about support guest operating systems, see the Oracle VM Server for SPARC 3.3 Release Notes: